Hi Ice,
bit tight for time right now, but I use them, and a lot. I use the Baader Astrosolar film, buying it in A4 sheets, from the US or direct from Baader in Germany. Can't remember the price, but it wasn't too dear. Made the cell(s) myself. I normally only use them on the refractors, so 80mm is the biggest, but I may make one up for the Mewlon.
DON'T FORGET TO COVER THE FINDER THOUGH, AS IT WILL PROBABLY BE THE END OF YOUR CROSSHAIR.
I also have an older Zeiss SFO63, designed for the Telementor refractors, and this is glass, and an orange colour, simply gorgeous. If you have the chance try a bino viewer on the sun. Spectacular.
If you need help send me an e mail off forum, and I can/will help with where to go, and how to build. Gut feeling is an off axis mask, and a smaller (so cheaper) piece for the 10".
Gary
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